Everything, All the Time: 2015 BMW X5 M TestedThe 2015 BMW X5 (F15) is a versatile luxury midsize SUV, often called a Sport Activity Vehicle (SAV), offering potent performance and a premium, comfortable interior. It features three primary engines (300hp I6, 445hp V8, or 255hp diesel), with AWD (xDrive) or RWD (sDrive) configurations available. Known for its refined ride, the 2015 X5 boasts high-quality materials, a, and excellent on-road handling.